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Finding the Fourth Proportional to 488,711.80, 733,067.70 and 453,282.40

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Solution

The fourth proportional to 488,711.80, 733,067.70 and 453,282.40 is: 679,923.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,711.80 : 733,067.70 = 453,282.40 : x
  2. Step 2: Convert to fraction form
    488,711.80/733,067.70 = 453,282.40/x
  3. Step 3: Cross multiply
    488,711.80x = 733,067.70 × 453,282.40
  4. Step 4: Simplify right side
    488,711.80x = 332,286,686,418.48
  5. Step 5: Solve for x
    x = 332,286,686,418.48/488,711.80
  6. Step 6: Final answer
    x = 679,923.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.